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 TM 55-1905-221-14-3
6-27.4.
CYLINDER LINER - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION/ITEM
ACTION
REMARKS
INSPECTION (Cont)
e. Inspect for cracks at
the flange. The liner
flange must be smooth
and flat on both the
top and bottom
surfaces. The liner
insert must also be
smooth and flat on the
top and bottom
surfaces. Replace the
insert if there is
evidence of brinelling.
f. Inspect the block bore
and check the liner-to-
block clearance
whenever a liner is
removed. If the
clearance exceeds zero
to .002 inch (0.0051
cm), it will be
necessary to bore the
block for an oversize
liner.
NOTE
Cylinder liners are available in .001, .005, .010, .020 and .030 inch oversize on the
outside diameter. When an oversize liner is used, the amount of oversize is stamped
on top of the cylinder block adjacent to the liner counterbore.
New service liners, standard and oversize, have an inside diameter of 4.2495 to
4.2511 inch (10.7937 to 10.7978 cm).
Do not modify the surface finish in a new service liner. Since the liner is properly
finished at the factory, any change will adversely affect the seating of the piston
rings.
6-471
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